Ultra-thin NFC Antenna for Mobile Devices

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Pulse Electronics introduced an ultra-thin near field communications (NFC) ferrite sheet antenna. The antenna is 28% thinner than the previous version and still meets the EMVCo specification of 40mm. It enables NFC connectivity to mobile devices for payment sharing, credential storage and exchange, accessing and controlling data, and wirelessly connecting to tags.

Pulse Electronics' NFC antennas are custom-made to fit the mechanical specifications of a variety of mobile devices. The antennas are 35x50x0.133mm in size and operate at a frequency of 13.56 MHz. The contacts are side-by-side in the antenna area for easier implementation and to fit more compactly. The pad size is 2x2mm. The antenna's operation is not affected by close proximity to metal or a battery. The magnetic field strength of the antenna is optimized by ferrite material type and thickness selection and the radiator pattern. The antennas are compatible with several chipsets and can be used for several mobile devices like handsets, phablets, and tablets.